Input Power in DC Machines Formulas

Input Power refers to the power input required to rotate the armature of the dc machine, which in turn generates electrical/mechanical power. The input power is provided by an external source. And is denoted by P_in. Input Power is usually measured using the Watt for Power. Note that the value of Input Power is always negative.

Formulas to find Input Power in DC Machines

fxInput Power of DC MotorGo

List of variables in DC Machines formulas

fx Supply Voltage Go

fx Armature Current Go

FAQ

What is the Input Power?

Input Power refers to the power input required to rotate the armature of the dc machine, which in turn generates electrical/mechanical power. The input power is provided by an external source. Input Power is usually measured using the Watt for Power. Note that the value of Input Power is always negative.

Can the Input Power be negative?

Yes, the Input Power, measured in Power can be negative.

What unit is used to measure Input Power?

Input Power is usually measured using the Watt[W] for Power. Kilowatt[W], Milliwatt[W], Microwatt[W] are the few other units in which Input Power can be measured.

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